THEY ARE ALL ABOUT 8-10INCH AND GROWING FAST. I AM LOOKING FOR £56 EACH OR ANY OFFER. THESE FISH ARE ALL HEALTHY AND FEEDING ON BLOOD WORMS, PRAWNS, SHRIMPS AND AROWANA PELLETS. THE TANK THAT THEY ARE IN AT THE MOMENT HAVE A PH OF 7.5 AND THE TEMPERATURE AT 28°C. THESE FISH GROW TO ABOUT 40INCHES WHICH IS 100CM AND THE REASON WHY I LOVE THESE FISH SOO MUCH IS THAT THEY LOOK EXACTLY LIKE THEIR COUSINS THE ARAPAIMA GIGAS